Portable Gantry Crane Body Material Steel Maximum Lifting Capacity 10 000 lb I-Beam Flange Width 5.5 in I-Beam Height 15 in Height Adjustability Fixed Height Minimum Overall Height Not Applicable Maximum Overall Height 11.3 ft Minimum Height Under Beam Not Applicable Maximum Height Under Beam 10 ft Minimum Overall Span 11 ft Maximum Overall Span 15.5 ft Minimum Clear Span 13.3 ft Maximum Clear Span 13.3 ft Mobility Under Load Mobile Rotating Legs No